M7-QA632B | M7 Die Grinder 97deg. Angle Head 22000rpm 177mm Long Gearles FEATURES 97 angle head. Straight drive air motor in head with no gears to wear. Safety lever throttle SPECIFICATIONS Collet Size: 1/4 & 1/8 Free Speed: 22000 RPM Air Requirements: 12.3 CFM / 90 PSI Inlet: 1/4 Overall Length: 177mm Rated Power:0.4HP Net Weight: 0.5kg Sound Pressure: 75 dBA Vibration Level: 2.5m/s